{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["title of person", "cities of residence", "spouse", "city of headquarters"], "input": "His grandfather  Alexander Mitchell  a Scotsman was the wealthiest person in Wisconsin for his generation and established what became the  Milwaukee  Road along with the Marine Bank of Wisconsin ."}
{"title of person": [], "cities of residence": [{"subject": "Alexander Mitchell", "object": "Milwaukee"}], "spouse": [], "city of headquarters": []}